Telechelic polyisobutylene and block copolymer derivatives

Details Telechelic polyisobutylene and block copolymer derivatives Telechelic polyisobutylene and block copolymer derivatives

1987-08-10

1989-07-04

Pertilla, Theodore E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525122, 525146, 525177, 525184, 5253328, 5253331, 525366, 525377, C08F 822

Patent

active

048451584

ABSTRACT:
Polymers of the formula: ##STR1## wherein X is selected from the group consisting of halogen, hydroxyl and alkoxy and n is an integer such that the polymer has a weight average molecular weight within the range of from 5,000 to 30,000 are useful to prepare a wide variety of block copolymer resins such as polycarbonate-polyisobutylene block copolymer.

REFERENCES:
patent: 3392154 (1968-07-01), Baldwin
patent: 4276394 (1981-06-01), Kennedy et al.
patent: 4316973 (1982-02-01), Kennedy

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